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6speed durability

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Old Jul 26, 2007 | 11:09 AM
  #1  
Black FormulaLs1's Avatar
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From: cape vincent NY
Default 6speed durability

need to know just how much hp/tq a factory 6 speed can take..yes it will have a good clutch pkg just need to know if its best to get it gone over by 6 speed inc or just run with what i have...

if it should be rebuilt *56k* HOW MUCH would it be???
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Old Aug 5, 2007 | 04:53 PM
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Not sure if their is an exact figure, but i think mine is fu(ked already. Pops outta 3rd gear and gets stuck in fourth now. Just finished my 9in and susp. install and now this...WTF!! might be limpin it around until winter when i can afford to send it in too sixspeeds inc
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Old Aug 5, 2007 | 05:09 PM
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From: Kennesaw, Georgia
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I have a stock 6 speed and it is holding up good so far. I think it is all in how you drive it. I am in the range of 750rwhp and 700 or so rwtq as of now.I also have a Mcloed twin disc clutch. So far so good.
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Old Aug 5, 2007 | 08:12 PM
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http://www.ttcautomotive.com/English/products/T-56.asp
Used to be made by Borg Warner on LT1 cars.

Was sold to Tremec and has been used since 98+ according to some articles I read.

It's strong.

"Currently, the TREMEC T-56 is being used on the Dodge Viper, Chevy Corvette Z06, Ford SVT Mustang Cobra, Aston Martin DB7 Vantage and V12 Vanquish, ..."
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Old Aug 5, 2007 | 09:21 PM
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From: Downers Grove, IL
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They are stong...until you miss a shift....then they break....just like everything else. Be prepared to have third gear popping out...broken 3-4 keys....and a re-build required.
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